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A. N. Telegin
A. N. Telegin
National Mineral Resources University (Mining University)
National Mineral Resources University (Mining University)
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Articles

Application of the modern electric exploratory technologies in prospecting of mineral deposits
  • Date submitted
    2016-11-10
  • Date published
    2013-01-01

Features of processing of seismic materials of a method of the reflected waves

Bring the general scheme of processing including six operations which will transform field seismic recordings to change of elastic properties of the studied geological environment. Considered physical appointment and necessity of performance of each operation  of processing. At the expense of recurrence of performance of four operations (the account of influence upper part of section, definition of speeds, easing of hindrances and increase detectability records) is formed a real processing graph of materials.

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A. N. Telegin (2013) Features of processing of seismic materials of a method of the reflected waves. Journal of Mining Institute. Vol 200. p. 92.
Geology and geophsics
  • Date submitted
    2016-12-07
  • Date published
    2011-01-01

Basic requirements for shallow seismic field works technique by the reflected waves method for engineering-geological issues solving

The main requirements for the shallow seismic field works technique parameters for engineer-geological issues solving are represented. The optimum technique for the St.-Petersburg and its suburbs territory based on the results of experimental seismic studies, providing a detailed study of the upper part of the geological section, are proved.

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A. N. Telegin, A. S. Yakovlev (2011) Basic requirements for shallow seismic field works technique by the reflected waves method for engineering-geological issues solving. Journal of Mining Institute. Vol 189. p. 72.
Geology
  • Date submitted
    2017-03-01
  • Date published
    2017-02-26

Possibilities of seismic exploration for crystalline basement study

Possibilities of seismic methods of reflected and refracted waves have been examined for the purposes of detailed study on crystalline basement structure. Investigation of depth and structure of the basement plays an important role in the exploration of various deposits. Sedimentary cover is usually associated with oil and gas reserves. Ore deposits are formed in the basement rocks, basement splits and structure of its surface have a genetic relation not only to ore minerals, but also to oil resources. Reflection seismology is one of the main seismic methods of investigating structural geometry of the sedimentation mass, forecasting its material composition and possible hydrocarbon reserves. However, its possibilities for investigating crystalline basement are limited. Basing on many years’ experience of reflection seismology and physical modeling it has been identified that actual roughness of basement surface limits the obtainable amount of waves reflected from it. Possibilities of reflection seismology for basement structure study are mostly related to investigation of discontinuous faults as diffraction objects using diffracted waves. Method of refracted waves combined with modern procedures and material processing aimed at getting dynamic seismic sections holds much significance for the basement study, especially in the process of surface mapping and, to a lesser extent, in investigating discontinuous faults. Combining seismic methods of reflected and refracted waves in basement study increases reliability of forecasting its geological structure: in particular, its surface can be well defined by means of refraction seismology, and zones of discontinuous faults are identified from diffraction objects using both reflection and refraction methods. As a result of applying both reflection and refraction seismology, an opportunity arises to carry out detailed analysis of basement structure and to predict its oil and gas content.

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A. N. Telegin (2017) Possibilities of seismic exploration for crystalline basement study. Journal of Mining Institute. Vol 223. p. 30. DOI: 10.18454/pmi.2017.1.30